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Contact Details

+64 3 479 7872
Research Fellow
Department of Biochemistry
Research summary
Plant Biochemistry


My research is focused on perennial ryegrass (Lolium perenne), the main pasture sown in New Zealand. I am developing tools to establish gene editing in ryegrass with a view towards manipulating pollen development and fertility.


Harris, C., Hall, M., Arrowfield, R., Herridge, R., Eady, C., Macknight, R., & Brownfield, L. (2023). Assessing inbreeding in perennial ryegrass (Lolium perenne) as a step towards F1 hybrid breeding. Plant Breeding. Advance online publication. doi: 10.1111/pbr.13099 Journal - Research Article

Herridge, R., McCourt, T., Jacobs, J. M. E., Mace, P., Brownfield, L., & Macknight, R. (2022). Identification of the genes at S and Z reveals the molecular basis and evolution of grass self-incompatibility. Frontiers in Plant Science, 13, 1011299. doi: 10.3389/fpls.2022.1011299 Journal - Research Article

Fakoya, A., Herridge, R., Macknight, R., & Brownfield, L. (2022, August). Optimizing long-read amplicon sequencing to survey intra-cultivar genetic variation in flowering genes in perennial ryegrass. Verbal presentation at the Applied Genetics/Genomics in Breeding Technologies Satellite Meeting: Queenstown Research Week, Queenstown, New Zealand. Conference Contribution - Verbal presentation and other Conference outputs

Herridge, R., Samarth, Fakoya, A., Lee, R., Macknight, R., & Brownfield, L. (2021). Non-heading ryegrass. Proceedings of the 16th Congress of the Federation of Asian & Oceanic Biochemists & Molecular Biologists (FAOBMB). (pp. 249). Retrieved from Conference Contribution - Published proceedings: Abstract

McCourt, T., Herridge, R., Mace, P., & Brownfield, L. (2021). The role of DUF247 in ryegrass self-incompatibility. Proceedings of the Genetics Otago (GO) Annual Symposium. Retrieved from Conference Contribution - Published proceedings: Abstract

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